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A Grinding Head Connecting Device Based on Parallelogram Mechanism

A parallelogram, connecting device technology, used in optical surface grinders, grinders, grinding/polishing equipment, etc., can solve the problems of difficult to guarantee rigidity and strength, difficult to control, complex structure, etc., to improve the bearing capacity and positioning accuracy, The effect of improving efficiency

Active Publication Date: 2018-04-10
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the connection device of the stress plate has always followed the foreign method, the structure is complicated, it is difficult to control, and the rigidity and strength are difficult to guarantee

Method used

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  • A Grinding Head Connecting Device Based on Parallelogram Mechanism
  • A Grinding Head Connecting Device Based on Parallelogram Mechanism

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Embodiment Construction

[0013] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0014] as attached figure 1 As shown, the present invention provides a grinding head connection device based on a parallelogram mechanism, which includes a mandrel 1, an upper triangular plate 2, a vertical rod 3, a lower triangular plate 4, a grinding head disk 5, a spherical joint bearing I6, a cross shaft Ⅰ7, cross shaft Ⅱ8, spherical joint bearing Ⅱ9 and ball head 10;

[0015] The cross shaft I7 and the cross shaft II8 are axially installed on the mandrel 1, the cross shaft I7 is mated with the upper triangular plate 2, and the upper triangular plate 2 has degrees of freedom to rotate around the two mutually perpendicular axes of the cross shaft I7, The upper triangular plate 2 also has the degree of freedom to rotate around the axis of the core 1; the cross shaft II 8 is connected with the lower triangular plate 4, and the lower triangular plate 4 ha...

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Abstract

The invention discloses a grinding head connection device based on a parallelogram mechanism, which belongs to the technical field of precision optical processing devices. The device consists of a mandrel, a grinding head disc, a vertical rod, a ball head, an upper triangular plate and a lower triangular plate; the mandrel is vertically installed on the upper and lower The top corners are connected to form three parallelogram mechanisms. The lower end of the vertical rod is hinged with the spherical surface of the grinding head through the ball to form a spatial geometric structure. The spatial geometry makes the grinding head rotate in two directions perpendicular to the mandrel. Rotate, while restricting the rotation of the grinding head disc relative to the axis of the mandrel and the translation perpendicular to the axis of the spindle. The invention can ensure that the degree of freedom required for processing is provided between the grinding head and the main shaft, and has high rigidity and strength at the same time.

Description

technical field [0001] The invention relates to a connection device for processing a curved mirror, in particular to a connection device for realizing the lamination of a processing grinding head and a mirror surface by using a cross shaft and a parallelogram mechanism, and belongs to the technical field of precision optical processing. Background technique [0002] Large-aperture aspheric mirrors play an important role in modern optical systems, but large-aperture aspheric mirrors have high requirements on the material removal efficiency of processing methods, and the commonly used small tools have low polishing efficiency and are difficult to meet the requirements. The University of Arizona invented the stress disk technology to improve the processing efficiency of large-diameter aspheric surfaces. It adopts the method of active deformation and uses large-diameter grinding heads to improve the processing efficiency of large-diameter mirrors. The domestic Chinese Academy of ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B24B13/01
CPCB24B13/01
Inventor 张学军罗霄薛栋林李锐钢郑立功
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI